Star Metro - Star Copper Drill Program Mobilizes Additional Rig at Copper Creek to Test High Value Historic Target in BC

Copper Creek Target Overview
Copper Creek is characterized by two strong copper-in-soil anomalies extending over an area approximately 550 metres by 1,000 metres, with anomalous values remaining open to the north, south, and east. Extensive malachite-azurite gossans are exposed at surface, coinciding with elevated Cu and Au in soils and chargeability highs from induced polarization (IP) surveys (See Figure 1).

The main showing hosts copper oxides, chalcopyrite, and pyrite within strongly propylitically altered volcanics along an east-trending structural zone. Field mapping and rock sampling have confirmed that copper mineralization is structurally controlled, with several high-grade exposures exceeding 5,000 ppm Cu (XRF) identified along bluffs during earlier work (See Figure 2).

Historic and Recent Work
Historic exploration programs include prospecting, trenching, limited drilling (1970), and 2013 geophysical and geochemical surveys. The 2013 IP survey and total magnetic intensity (TMI) data were recently reinterpreted using 3D inversion and Leapfrog modelling, integrating historic drill and soil datasets. Follow-up fieldwork in 2025 confirmed structural orientations influencing mineralization and validated proposed collar locations (See Figure 3).

Planned Drill Program
The helicopter-supported drill program is scheduled to begin following completion of pad construction. Two initial holes, totaling approximately 400 metres, are planned to test:

• Historic mineralized intervals identified in prior drilling

• High-grade copper-gold soil and rock anomalies coincident with a strong IP chargeability response.

Field access preparation and heli-pad construction are now complete with full site setup and mobilization planned to commence within a week.

CEO Comment
"Copper Creek represents an exciting step forward as we begin systematic testing of multiple high-priority copper-gold targets across the property," stated Darryl Jones, CEO of Star Copper Corp. "The integration of historic and modern datasets has provided a clear vector toward structurally controlled copper mineralization that remains open in all directions."

QA/QC Statement
Star Copper Corp. follows industry standard protocols for diamond drilling and quality assurance/quality control (QA/QC) procedures in British Columbia. All drilling is carried out using HQ and NQ sized diamond drill core. Drill core is transported from the drill site to a secure core logging facility where it is logged, photographed, and sampled under the supervision of geologists. Core is cut in half using a diamond saw, with one half of the core placed in a sealed sample bag and sent for analysis, and the other half retained on site for reference and further studies.

Samples are shipped under chain-of-custody protocols to Bureau Veritas Laboratories, an ISO/IEC 17025 accredited laboratory. At Bureau Veritas, samples are dried, crushed, split, and pulverized to 85% passing 200 mesh. Analytical procedures include multi-element ICP-ES/MS following four-acid digestion, with gold and precious metals analyzed by fire assay with an atomic absorption or ICP finish.

Star Copper implements a robust QA/QC program, including the insertion of a minimum 5% certified reference materials (standards), blanks, and field duplicates at regular intervals into the sample stream to monitor analytical accuracy and precision. The performance on the blind standards, blanks and duplicates achieved high levels of accuracy and reproducibility and has been verified by Jeremy Hanson, a qualified person as defined by NI-43-101.

X-ray fluorescence (XRF) is a portable analytical tool used to obtain rapid, on-site estimates of metal content in rock samples during early-stage exploration. The readings reflect only a very small portion of the analyzed rock surface and are not necessarily representative of overall grades or assay results.

Qualified Person
Jeremy Hanson, P. Geo., a Qualified Person as that term is defined under NI 43-101, is an independent contractor of the Company and has reviewed and approved the technical aspects of this news release.

On Behalf of the Board of Directors

~Darryl Jones~

Darryl Jones
CEO, President & Director
Star Copper Corp.

About Star Copper Corp. (CSE: STCU) (OTCQX: STCUF) (FWB: SOP / WKN A416ME)
Star Copper Corp. is an exploration and development company focused on developing high-potential copper projects in mining-friendly jurisdictions. The Company aims to advance its British Columbian flagship Star Project where significant exploration work including historical drilling has confirmed open mineralization at depth and in all directions. Star Copper's strategic plans include geological mapping and geophysical surveys to refine existing targets,diamond drilling programs to test high-priority zones, environmental baseline studies and permitting groundwork alongside data analysis and resource modeling to support a future resource estimate prepared in accordance with NI 43-101. The Company further plans to advance its Indata Project with follow-up drilling to expand on previous high-grade copper and gold intercepts, trenching and surface sampling to delineate mineralized zones, and infrastructure improvements for site accessibility and operations. With a commitment to sustainable development and value creation, Star Copper aims to position itself to support surging industrial demand to meet growing global electrification needs.

For more information visit: www.starcopper.com and to sign up for free news alerts please go to https://starcopper.com/news/news-alerts/, or follow us on X (formerly Twitter),Facebook or LinkedIn. More information in respect of the project, including historical drilling, is available under the Company's profile at www.sedarplus.ca and/or in the Company's February 26, 2025 technical report.

Investor Relations
Star Copper Corp.
Email: [email protected]
Web: https://starcopper.com/

Cautionary Note Regarding Forward-Looking Statements
This news release contains forward-looking statements and other statements that are not historical facts. Forward-looking statements are often identified by terms such as "will", "may", "should", "anticipate", "expects" and similar expressions. All statements other than statements of historical fact, included in this news release are forward-looking statements that involve risks and uncertainties. Forward-looking statements in this press release include, but are not limited to, statements regarding exploration of the Company's flagship Star Project and the potential thereof, as well as the anticipated mineral resource estimate planned in respect of the Star Project. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company's expectations include, but are not limited to, the early-stage nature of the Star Project, the inherently unpredictable nature of resource exploration, market conditions and the risks detailed from time to time in the filings made by the Company with securities regulators. The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of the Company. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect, and actual results may differ materially from those anticipated. The forward-looking statements contained in this news release are made as of the date of this news release and the Company will update or revise publicly any of the included forward-looking statements as expressly required by applicable law. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement.

SOURCE: Star Copper Corp.

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